LABORATORY - 1551 Anuncios

Friday 21 June 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column（for example, rapid elution is achieved by pressurizing with nitrogen and...

Thursday 20 June 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

Wednesday 19 June 2019

Hawach Scientific Co., Ltd is main laboratory supplies and industrial filter manufacturing enterprises, from raw materials and production process to ensure the maximum quality monitoring, each batch of a strict quality testing and product warranty. At present, users are distributed...

Wednesday 19 June 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Tuesday 18 June 2019

In laboratories where the pipe ttes are used frequently, it is often heard that the sound of tapping the tips is one after another, adding a bit of music to the boring laboratory life. When you look into it, the user is afraid that the tip can't be tightened. After the tip is attached...

Tuesday 18 June 2019

Hawach glass solvent filters is an important part of laboratory filtration, and many customers often encounter cleaning problems when using glass solvent filters. The conventional cleaning methods mainly include the following: 1. Soaking with an acidic solvent: The advantage of this...

Tuesday 18 June 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Tuesday 18 June 2019

As an indispensable experimental instrument for laboratory liquid operation, the bottle-top dispenser has the following characteristics. (1) The setting operation is simple, and the protective gloves can be worn to operate directly in the process of operation. In addition, it has...

Tuesday 18 June 2019

Qualitative filter papers usually apply to filter at atmospheric pressure, which uses the ability of the material to remove particles to separate the liquid and solid of the sample. It covers most of the laboratory applications, is used commonly for liquid clarification and, sometimes...

Tuesday 18 June 2019

The primary feature of the vacuum filtration that it uses the classical oil-free pump with sand core filter bottle combination, which is suitable for most Laboratory filtration needs of universal filtering products. The characteristics of this product will be described in detail below...

Tuesday 18 June 2019

The main components of Wuxi Top Asia with German import parts, excellent performance, fast temperature rise, good reliability, is ideal for the equipment of the environmental testing laboratory. At present, the company's products have been sold well in Britain, Germany and France...

Saturday 15 June 2019

ETo obtain accurate separation of your sample, mobile phase, and other liquid, the perfect tool that you need is laboratory filters. An analysis of physical specifications and performance specifications is required when selecting filters. Physical specifications for laboratory filters...

Saturday 15 June 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Friday 14 June 2019

a. Application PP membrane filter is used to filter out bacteria and particles from the liquid in the pharmaceutical, electronic and biological manufacturing industry, brewing, clocks and watches, medical oil, lubricating oil, the fuel oil industry, and a scientific laboratory. Generally...

Thursday 13 June 2019

Introduction of Hawach scientific filtration manifold Multifilter is designed and manufactured for the simultaneous filtration of multiple samples. At present, when the laboratory carries on the filtration to the solution, generally USES the glass material sand core filtration device...

Thursday 13 June 2019

A. Cellulose Extraction Thimbles 1. 60% high purity grade polar fiber+40% refined cotton fiber no any binding agents which make it has stronger mechanical strength and stronger retention 2. 6 wall thickness optional to meet different retention and wet strength, dry strength increasing...

Thursday 13 June 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Thursday 13 June 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Wednesday 12 June 2019

Hawach introduces pipettes from the pipetting speed of the pipette and precautions during storage. First, the rate of liquid absorption. It is often seen in the laboratory that in order to “improve efficiency”, the user quickly releases the thumb during aspiration, which causes the...

Tuesday 11 June 2019

Cantidad : HIGH - Precio : 12,00 €

Taizhou Huaxing Sanitary Ware Co., Ltd. Specializes in sanitary ware and fitting of “Huaxing” brand, it owned the abundant power of technology and manufacture, and integrated with R&D, manufacture,marking and after service. In order to agree with the rapid development of sanitary...

Tuesday 11 June 2019

Cellulos e acetate (CA) syringe filters Features: Cellulose acetate (CA) syringe filter has good hydrophilicity, low protein adsorption, and no nitrate. Applications: (1) groundwater filtration; (2) biological and clinical liquid filtration. Mixed cellulose (MCE) syringe filters Features...

Tuesday 11 June 2019

Overview To determine the physical and chemical parameters of natural water, laboratory workers always use polyethylene and borosilicate glass sample vials for common sampling. Furthermore, it is better to use chemically inert material. The frequently-used sample vialshave multiple...

Friday 07 June 2019

Pipettes are common and necessary laboratory equipment in the laboratory, and the experimenter must be very cautious about their daily use. However, many people will ignore the related maintenance and maintenance of the pipette after use. Precautions for maintenance: 1. Regularly...

Friday 07 June 2019

As mentioned before, Hawach Scientific is a dedicated manufacturer who focuses on R&D, manufacture, and marketing of micro-porous filtration and laboratory consumables products under ISO9001 quality management system. Today we'd like to introduce you how to purchase filter paper from Hawach...

Thursday 06 June 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...

Wednesday 05 June 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Tuesday 04 June 2019

The laboratory vacuum pump is a basic instrument that can be used with a variety of instruments and equipment. It is very versatile. With the continuous upgrading of laboratory equipment, the requirements for vacuum pumps as auxiliary instruments are also increasing. Standard diaphragm...

Saturday 25 May 2019

Hawach's name by Chinese means “the Cambrian”, also the Cambrian explosion. Here means we will keep on the way to become century enterprises and do better solutions for our clients, we also take responsibility for protecting reputation of the goods “made in China” For customer, we...

Monday 20 May 2019

For explosion-protected areas Dial Switch Temperature Transmitter is an integrated ultra-stable temperature transmitter with explosion-protected shell, built-in imported PT100 high-anciency temperature sensor,; used in instruments and apparatus system, laboratory, engineering machine...

Sunday 31 March 2019

The Exhaust Surge Tank System includes a Flex Exhaust Manifold, a Surge Tank and cooling Water Drainpipe, those are connected with the octane engine. Exhaust Surge Tank System is a complete surge tank fuel system for eliminating resonance pulses and back pressure during the octane...